#include "ctype.h"
#include "malloc.h"


void *calloc(size_t size)
{
	return (void *) NULL;
}


void *malloc(size_t size)
{
	return (void *) NULL;
}


void *realloc(void *adr, size_t size)
{
	return NULL;
}


void free(void *adr)
{
	
}
